science

Ruppert Archaeopteryx

Ruppert Archaeopteryx is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Ruppert Archaeopteryx rather than just read about it. In short: The Ruppert Archaeopteryx (English: ancient wing) is a Swiss high-wing, pod-and-boom, single-seat, microlift glider that was designed by Roger Ruppert and is produced by Ruppert Composite GmbH. The aircraft is named for the feathered Archaeopteryx dinosaur that lived during the Late Jurassic Period in what is now Europe.

Key takeaways

Ruppert Archaeopteryx belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Ruppert Archaeopteryx to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Ruppert Archaeopteryx from memory before moving on to harder problems.

Reference excerpt

The Ruppert Archaeopteryx (English: ancient wing) is a Swiss high-wing, pod-and-boom, single-seat, microlift glider that was designed by Roger Ruppert and is produced by Ruppert Composite GmbH. The aircraft is named for the feathered Archaeopteryx dinosaur that lived during the Late Jurassic Period in what is now Europe.

Design and development The Archaeopteryx was conceived as a foot-launchable microlift sailplane, with the design goals of a light empty weight, low stall speed with gentle stall characteristics, good maneuverability and good high speed performance. A further goal was a sailplane that could be foot-launched in zero wind conditions. The Archaeopteryx design started in 1998 at the Zurich University of Applied Sciences (ZHAW) as a research project. The first flight of the initial prototype was in September 2001. Based on initial lessons the prototype was modified and reflown in May 2002. Further flight tests and modifications were carried out, with the prototype re-flying in its new form in March 2003. The production prototype design was started in 2006 and completed in 2009. The first series production started in the summer of 2009 and production deliveries to customers commenced in May 2010. As of September 2023, 38 aircraft had been delivered to customers in Australia, Argentina, Germany, France, Austria, USA, Canada and Switzerland. Most are using the electrical propulsion.

The controls are conventional, with a stick for ailerons and elevator and rudder pedals. The aircraft uses flaps for glidepath control, which function as airbrakes when set to 45-70 degrees. A ballistic parachute with an area of 62 m2 (670 sq ft) is also fitted. The aircraft can be rigged for flight by one person in 15 minutes. It has been launched by foot, aero-tow, bungee launch, auto-tow and winch-launch. Typically take-off and landing are on the main wheel. For foot launch, the bottom cover is opened to stick the legs out. A foot landing has been performed to achieve the FAA class 2 certification. The aircraft can accommodate pilots from 165 to 195 cm (65 to 77 in) in height and 55 to 100 kg (121 to 220 lb). The company further developed a prototype equipped with two electric motors to provide self-launch capability. This prototype did not have satisfactory performance, and a single electric motor version was developed instead. This electric propulsion was introduced in mid-2014 to allow self-launching. Takeoff roll distance is 50 m (160 ft) and rate of climb when fully charged is 2.5 m/s (8.2 ft/s). It can run at full power for 11 minutes on one charge. The electrical motor uses 10.5 kW at 3800 rpm, and the propeller delivers 370 N when flying at 75 km/h. Storage is a 14s1p lithium polymer battery (Kokam) with 40 Ah capacity, delivering 2.07 kWh, maximum 58.8 V and maximum continuous current of 200 amps.

World record In December 2025, at Mollorca, a first ever launch of a glider by bicycle was achieved by 9 cyclists pulling the Archaeopteryx similar to a winch launch. Together, the cyclist produced an average of 5.8kW during 90 seconds and got the glider to 100m altitude. This event was sponsored by Red Bull. Andy Hediger, who was also the initial test pilot, piloted the Archaeopteryx.

Variants Archaeopteryx Standard Basic design without cockpit fairing Archaeopteryx Performance Basic design, with cockpit fairing; no longer in production Archaeopteryx Race Basic design, with cockpit fairing and windshield Archaeopteryx Electric "Electeryx" Race version with electrical propulsion

Specifications (Standard) Data from Sailplane Directory, company website and flight manualGeneral characteristics Crew: 1 Length: 5.7 m (18 ft 10 in) Wingspan: 13.6 m (44 ft 7 in) Height: 2.9 m (9 ft 7 in) Wing area: 12.8 m2 (138 sq ft) Empty weight: 54 kg (119 lb) Gross weight: 160 kg (353 lb) Max takeoff weight: 191 kg (421 lb) Performance

Cruise speed: 57.5 km/h (35.7 mph, 31.0 kn) Stall speed: 30–39 km/h (19–24 mph, 16–21 kn) Never exceed speed: 130 km/h (81 mph, 70 kn) g limits: +4.0 / -2.0 at 130 km/h and +5.1 / -3.1 at 100 km/h Maximum glide ratio: 28:1 Rate of sink: 0.50 m/s (98 ft/min) Avionics

Flytec 6030 GPS w/ Flarm

Illustrations

Worked examples

Example 1 — a first encounter with Ruppert Archaeopteryx

Start with the simplest possible case. Write down what Ruppert Archaeopteryx claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Ruppert Archaeopteryx before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Ruppert Archaeopteryx ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Ruppert Archaeopteryx

In research: Ruppert Archaeopteryx appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Ruppert Archaeopteryx in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Ruppert Archaeopteryx is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2000s Swiss sailplanes, Aircraft first flown in 2001, High-wing aircraft, so understanding it makes those chapters shorter.
In everyday life: Look for Ruppert Archaeopteryx outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Ruppert Archaeopteryx in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Ruppert Archaeopteryx means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Ruppert Archaeopteryx out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Ruppert Archaeopteryx in simple terms?

Why does Ruppert Archaeopteryx matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Ruppert Archaeopteryx?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Ruppert Archaeopteryx.